JEE Main Chemistry question

In concentration cells, the electrical energy is produced due to

(A)Oxidation of fuel
(B)Heat energy
(C)Chemical reaction
(D)Transfer of a substance from one concentration to anotherCorrect

Answer: (D)

Solution

A concentration cell has identical electrodes/electrolyte chemically, differing only in concentration; the driving force (and hence electrical energy) comes

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Question ID VK-143975